Certn vs. Zinc Work
Side-by-side across both vendors’ full G2 portfolios — reviews, ratings and category coverage aggregated to the company, not a single product.
| Metric | Certn | Zinc Work |
|---|---|---|
| Avg. rating | 4.7 | 4.7 |
| Total reviews | 206 | 188 |
| Review growth (QoQ) | -100.0% | -41.7% |
| Products on G2 | 1 | 1 |
| Categories covered | 2 | 2 |
| Best category rank | #11 in Reference Check | #4 in Reference Check |
| Small Business | 46.8% | 21.9% |
| Mid-Market | 42.8% | 67.4% |
| Enterprise | 10.4% | 10.7% |